1" Crimped End Brush with Carbon Steel and 1/4" Stem .020The DeWalt 1" crimped end brush with carbon steel and 1/4" stem .020 is an extremely durable and useful attachment. Use this to increase your efficiency and decrease your work time. Superior build quality means you will be using this bit for years with minimal wear and tear. A must have for any professional or do-it-yourselfer. Features: Highly specified wire grades are constructed with internal holding plate to ensure consistency and safety Constructed for even balance which provides smooth performance Wire is 100% inspected to meet demanding quality specifications Specifications: Dimensions: 1" x 1/4" Stem"Wire Gauge: 0.02Arbor Size: 1/4" Stem"Max Speed: 20,000 rpm Quantity: 1DEWALT is firmly committed to being the best in the business, and this commitment to being number one extends to everything they do, from product design and engineering to manufacturing and service.